154983920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:443

約数の個数: 160

約数和(自身を含む): 452054400

約数和(自身を除く): 297070480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 61, 65, 70, 80, 91, 104, 112, 122, 130, 140, 182, 208, 244, 260, 280, 305, 349, 364, 427, 455, 488, 520, 560, 610, 698, 728, 793, 854, 910, 976, 1040, 1220, 1396, 1456, 1586, 1708, 1745, 1820, 2135, 2440, 2443, 2792, 3172, 3416, 3490, 3640, 3965, 4270, 4537, 4880, 4886, 5551, 5584, 6344, 6832, 6980, 7280, 7930, 8540, 9074, 9772, 11102, 12215, 12688, 13960, 15860, 17080, 18148, 19544, 21289, 22204, 22685, 24430, 27755, 27920, 31720, 31759, 34160, 36296, 39088, 42578, 44408, 45370, 48860, 55510, 63440, 63518, 72592, 85156, 88816, 90740, 97720, 106445, 111020, 127036, 149023, 158795, 170312, 181480, 195440, 212890, 222040, 254072, 276757, 298046, 317590, 340624, 362960, 425780, 444080, 508144, 553514, 596092, 635180, 745115, 851560, 1107028, 1192184, 1270360, 1383785, 1490230, 1703120, 1937299, 2214056, 2384368, 2540720, 2767570, 2980460, 3874598, 4428112, 5535140, 5960920, 7749196, 9686495, 11070280, 11921840, 15498392, 19372990, 22140560, 30996784, 38745980, 77491960, 154983920]

約数ペア:

[(1, 154983920), (2, 77491960), (4, 38745980), (5, 30996784), (7, 22140560), (8, 19372990), (10, 15498392), (13, 11921840), (14, 11070280), (16, 9686495), (20, 7749196), (26, 5960920), (28, 5535140), (35, 4428112), (40, 3874598), (52, 2980460), (56, 2767570), (61, 2540720), (65, 2384368), (70, 2214056), (80, 1937299), (91, 1703120), (104, 1490230), (112, 1383785), (122, 1270360), (130, 1192184), (140, 1107028), (182, 851560), (208, 745115), (244, 635180), (260, 596092), (280, 553514), (305, 508144), (349, 444080), (364, 425780), (427, 362960), (455, 340624), (488, 317590), (520, 298046), (560, 276757), (610, 254072), (698, 222040), (728, 212890), (793, 195440), (854, 181480), (910, 170312), (976, 158795), (1040, 149023), (1220, 127036), (1396, 111020), (1456, 106445), (1586, 97720), (1708, 90740), (1745, 88816), (1820, 85156), (2135, 72592), (2440, 63518), (2443, 63440), (2792, 55510), (3172, 48860), (3416, 45370), (3490, 44408), (3640, 42578), (3965, 39088), (4270, 36296), (4537, 34160), (4880, 31759), (4886, 31720), (5551, 27920), (5584, 27755), (6344, 24430), (6832, 22685), (6980, 22204), (7280, 21289), (7930, 19544), (8540, 18148), (9074, 17080), (9772, 15860), (11102, 13960), (12215, 12688)]